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A003231
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floor(n*(sqrt(5)+5)/2)
(Formerly M2618)
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0
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3, 7, 10, 14, 18, 21, 25, 28, 32, 36, 39, 43, 47, 50, 54, 57, 61, 65, 68, 72, 75, 79, 83, 86, 90, 94, 97, 101, 104, 108, 112, 115, 119, 123, 126, 130, 133, 137, 141, 144, 148, 151, 155, 159, 162, 166, 170, 173, 177, 180, 184, 188, 191, 195, 198, 202, 206, 209
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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REFERENCES
| L. Carlitz, R. Scoville and T. Vaughan, Some arithmetic functions related to Fibonacci numbers, Fib. Quart., 11 (1973), 337-386.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
| Index entries for sequences related to Beatty sequences
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PROG
| (PARI) a(n)=floor(n*(sqrt(5)+5)/2)
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CROSSREFS
| Sequence in context: A098005 A189999 A171983 * A189460 A172323 A190080
Adjacent sequences: A003228 A003229 A003230 * A003232 A003233 A003234
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
| Better description and more terms from Michael Somos, Jun 07 2000.
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